Potent Cytotoxic Activity Against Human Colorectal Cancer Cells by Biogenic Silver-Decorated MgO Nanoparticles
摘要
Colorectal cancer remains a leading cause of cancer-related mortality worldwide, underscoring the urgent need for novel, effective, and sustainable treatment strategies. Here, we report a facile, eco-friendly synthesis of silver-decorated magnesium oxide nanoparticles using Rumex acetosa extract (RAE@MgO/Ag NPs) as a natural reducing and stabilizing agent. X-ray Diffraction (XRD) confirmed the successful formation and crystallinity of the MgO/Ag NPs, while Fourier transform infrared spectroscopy (FT-IR), Energy-dispersive X-ray spectroscopy (EDS), and Field emission scanning electron microscopy (FESEM) verified phytochemical capping, uniform composition, and spherical morphology. FT-IR spectra indicated the incorporation of plant-derived constituents on the nanoparticle surface, which may contribute to enhanced bioactivity. The anticancer potential of RAE@MgO/Ag was evaluated against the HT-29 human colorectal cancer cell line and showed significantly higher cytotoxicity (IC50 = 481.5 µg/mL) compared with both bare MgO and chemically synthesized Ag-decorated MgO (Ch-MgO/Ag). These findings highlight the therapeutic promise of biogenic RAE@MgO/Ag nanoparticles and reinforce the value of green nanotechnology in developing next-generation anticancer agents.